/* V2 subject details popup: target strip and what-if. */

/* ── Subject details popup ── */

:root[data-ui="v2"] .modal-chart {
  height: 240px;
  padding: 12px;
}

:root[data-ui="v2"] .subject-upcoming-grid,
:root[data-ui="v2"] .subject-upcoming,
:root[data-ui="v2"] .subject-history {
  margin-top: 0;
}

:root[data-ui="v2"] .subject-upcoming-grid {
  gap: 16px;
}

:root[data-ui="v2"] .subject-upcoming,
:root[data-ui="v2"] .subject-history {
  gap: 8px;
}

:root[data-ui="v2"] .subject-upcoming .upcoming-list {
  max-height: 240px;
}

/* Target strip */
:root[data-ui="v2"] .target-strip {
  gap: 10px;
}

:root[data-ui="v2"] .target-strip--empty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  font-size: 14px;
}

:root[data-ui="v2"] .target-strip-head {
  font-size: 14px;
}

:root[data-ui="v2"] .target-strip-head strong {
  font-weight: 600;
}

:root[data-ui="v2"] .target-strip-status {
  font-size: 13px;
  font-weight: 500;
}

:root[data-ui="v2"] .target-bar {
  height: 6px;
  background: var(--track);
}

:root[data-ui="v2"] .target-bar-marker {
  opacity: 1;
}

:root[data-ui="v2"] .target-needed {
  font-size: 13px;
  color: var(--text-secondary);
}

/* What-if: a disclosure panel; opening it adds a divider under the summary. */
:root[data-ui="v2"] .what-if-summary {
  gap: 8px;
  padding: 12px var(--panel-padding);
  border-radius: calc(var(--radius-lg) - 1px);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s ease;
}

:root[data-ui="v2"] .what-if-summary:hover {
  background: var(--bg-hover);
}

:root[data-ui="v2"] .what-if-summary:focus-visible {
  outline-offset: -2px;
}

:root[data-ui="v2"] .what-if-summary > .ph {
  font-size: 15px;
  color: var(--text-secondary);
}

:root[data-ui="v2"] .what-if-summary::after {
  content: "\e071"; /* Lucide chevron-down */
  margin-left: auto;
  font-family: "lucide";
  font-size: 16px;
  line-height: 1;
  color: var(--text-tertiary);
  transition: transform 0.15s ease;
}

:root[data-ui="v2"] .what-if[open] > .what-if-summary {
  border-bottom: 1px solid var(--card-border);
  border-radius: calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px) 0 0;
}

:root[data-ui="v2"] .what-if[open] > .what-if-summary::after {
  transform: rotate(180deg);
}

:root[data-ui="v2"] .what-if-hint {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .what-if-body {
  gap: 12px;
  padding: var(--panel-padding);
}

:root[data-ui="v2"] .what-if-rows {
  gap: 8px;
}

:root[data-ui="v2"] .what-if-row {
  grid-template-columns: minmax(0, 1fr) 72px auto 72px 80px var(--control-height);
  gap: 6px;
}

:root[data-ui="v2"] .what-if-row .delete-button {
  display: grid;
  place-items: center;
  width: var(--control-height);
  height: var(--control-height);
  padding: 0;
  border-radius: var(--radius);
}

:root[data-ui="v2"] .what-if-result {
  width: 100%;
  padding-top: 12px;
  border-top: 1px solid var(--card-border);
  font-size: 14px;
}

:root[data-ui="v2"] .what-if-delta,
:root[data-ui="v2"] .what-if-target {
  font-weight: 500;
}

/* Assessment history: date sits beside the row's actions rather than floating above them. */
:root[data-ui="v2"] .subject-history .history-right {
  grid-auto-flow: column;
  align-items: center;
  gap: 12px;
}

:root[data-ui="v2"] .subject-history .history-date {
  font-variant-numeric: tabular-nums;
}

/* Light theme: the amber/green grade colours are too pale for 13px text on white (about 3:1).
   Darken the status text only; the bar keeps the true grade colour. */
:root[data-ui="v2"]:not([data-theme="dark"]) .target-strip-status {
  color: color-mix(in srgb, var(--grade-c) 72%, #000000);
}

:root[data-ui="v2"]:not([data-theme="dark"]) .target-strip.is-met .target-strip-status {
  color: color-mix(in srgb, var(--grade-a) 72%, #000000);
}

/* ── Header: subject icon and name, then the average and grade large beneath ── */

:root[data-ui="v2"] .subject-modal-header .section-eyebrow {
  display: none;
}

:root[data-ui="v2"] #subject-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
  font-size: 20px;
}

:root[data-ui="v2"] .subject-modal-icon {
  flex: none;
}

:root[data-ui="v2"] #subject-modal-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 12px;
  margin-top: 14px;
}

:root[data-ui="v2"] .subject-modal-percent {
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

:root[data-ui="v2"] .subject-modal-unit {
  margin-left: 2px;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .subject-modal-grade {
  height: 28px;
  min-width: 40px;
  font-size: 15px;
}

:root[data-ui="v2"] .subject-modal-count {
  color: var(--text-tertiary);
}

/* ── Next grade: distance to the next cutoff and what the next task needs ── */

:root[data-ui="v2"] .next-grade {
  padding: 14px 16px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
}

:root[data-ui="v2"] .next-grade-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

:root[data-ui="v2"] .next-grade-head .v2-grade {
  height: 22px;
  min-width: 32px;
  margin-left: 2px;
  font-size: 12px;
}

:root[data-ui="v2"] .next-grade-icon {
  font-size: 15px;
  color: var(--accent);
}

:root[data-ui="v2"] .next-grade-gap {
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

:root[data-ui="v2"] .next-grade-detail {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ── Spread: this subject's box plot, as on Analytics ── */

:root[data-ui="v2"] .subject-spread {
  padding: 14px 16px 16px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
}

:root[data-ui="v2"] .subject-spread-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

:root[data-ui="v2"] .subject-spread-title {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

:root[data-ui="v2"] .subject-spread-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .subject-spread-plot {
  --box-h: 26px;
  --mid: 18px;
  --sd-y: 40px;
  position: relative;
  height: 56px;
}

:root[data-ui="v2"] .subject-spread-plot > span {
  position: absolute;
}

:root[data-ui="v2"] .subject-spread-plot .an-spread-mean {
  top: calc(var(--sd-y) + 0.5px);
}

:root[data-ui="v2"] .subject-spread .an-spread-scale {
  margin-top: 4px;
}

:root[data-ui="v2"] .subject-spread-stats {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--card-border);
}

:root[data-ui="v2"] .subject-spread-stat dt {
  font-size: 11px;
  color: var(--text-tertiary);
}

:root[data-ui="v2"] .subject-spread-stat dd {
  margin: 1px 0 0;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

:root[data-ui="v2"] .subject-spread-stat.is-key dd {
  color: color-mix(in srgb, var(--subject-color) 70%, var(--text-primary));
}

@media (max-width: 560px) {
  :root[data-ui="v2"] .subject-spread-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    row-gap: 10px;
  }
}